Base | Representation |
---|---|
bin | 100111100111111001… |
… | …010001000010001110 |
3 | 11001211001101212100020 |
4 | 213213321101002032 |
5 | 1144113041121132 |
6 | 31313420243010 |
7 | 3034211460660 |
oct | 474771210216 |
9 | 131731355306 |
10 | 42545254542 |
11 | 1705276149a |
12 | 82b43a0466 |
13 | 402049813b |
14 | 20b863c530 |
15 | 11901a152c |
hex | 9e7e5108e |
42545254542 has 16 divisors (see below), whose sum is σ = 97246296192. Its totient is φ = 12155787000.
The previous prime is 42545254541. The next prime is 42545254567. The reversal of 42545254542 is 24545254524.
It is a happy number.
42545254542 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a super-3 number, since 3×425452545423 (a number of 33 digits) contains 333 as substring.
It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 1012982251 = 42545254542 / (4 + 2 + 5 + 4 + 5 + 2 + 5 + 4 + 5 + 4 + 2).
It is a junction number, because it is equal to n+sod(n) for n = 42545254494 and 42545254503.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (42545254541) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 506491084 + ... + 506491167.
It is an arithmetic number, because the mean of its divisors is an integer number (6077893512).
Almost surely, 242545254542 is an apocalyptic number.
42545254542 is a gapful number since it is divisible by the number (42) formed by its first and last digit.
42545254542 is an abundant number, since it is smaller than the sum of its proper divisors (54701041650).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
42545254542 is a wasteful number, since it uses less digits than its factorization.
42545254542 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1012982263.
The product of its digits is 1280000, while the sum is 42.
The spelling of 42545254542 in words is "forty-two billion, five hundred forty-five million, two hundred fifty-four thousand, five hundred forty-two".
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